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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
#include "gfx.h"
#if GFX_USE_GINPUT && GINPUT_NEED_MOUSE
#define GMOUSE_DRIVER_VMT GMOUSEVMT_FT5336
#include "src/ginput/ginput_driver_mouse.h"
// Get the hardware interface
#include "gmouse_lld_FT5336_board.h"
// Hardware definitions
#include "drivers/ginput/touch/FT5336/ft5336.h"
static bool_t ft5336Init(GMouse* m, unsigned driverinstance)
{
// Initialize the board stuff
if (!init_board(m, driverinstance)) {
return FALSE;
}
// We need at least 200 ms worth of delay here...
gfxSleepMilliseconds(200);
// Check Chip ID
if (read_byte(m, FT5336_CHIP_ID_REG) != FT5336_ID_VALUE) {
return FALSE;
}
// Disable interrupts. We use this chip in polling mode
write_reg(m, FT5336_GMODE_REG, (FT5336_G_MODE_INTERRUPT_POLLING & (FT5336_G_MODE_INTERRUPT_MASK >> FT5336_G_MODE_INTERRUPT_SHIFT)) << FT5336_G_MODE_INTERRUPT_SHIFT);
/*
// Init default values. (From NHD-3.5-320240MF-ATXL-CTP-1 datasheet)
// Valid touching detect threshold
write_reg(m, FT5336_TH_GROUP_REG, 0x16);
// Touch difference threshold
write_reg(m, FT5336_TH_DIFF_REG, 0xA0);
// Delay to enter 'Monitor' status (s)
write_reg(m, FT5336_TIMEENTERMONITOR_REG, 0x0A);
// Period of 'Active' status (ms)
write_reg(m, FT5336_PERIODACTIVE_REG, 0x06);
// Timer to enter 'idle' when in 'Monitor' (ms)
write_reg(m, FT5336_PERIODMONITOR_REG, 0x28);
*/
return TRUE;
}
static bool_t ft5336ReadXYZ(GMouse* m, GMouseReading* pdr)
{
// Assume not touched.
pdr->buttons = 0;
pdr->z = 0;
// Only take a reading if exactly one touch contact point
if (read_byte(m, FT5336_TD_STAT_REG) == 1) {
// Get and return X, Y an Z values
pdr->y = (coord_t)(read_word(m, FT5336_P1_XH_REG) & 0x0FFF);
pdr->x = (coord_t)(read_word(m, FT5336_P1_YH_REG) & 0x0FFF);
pdr->z = 1;
}
return TRUE;
}
const GMouseVMT const GMOUSE_DRIVER_VMT[1] = {{
{
GDRIVER_TYPE_TOUCH,
GMOUSE_VFLG_TOUCH | GMOUSE_VFLG_ONLY_DOWN | GMOUSE_VFLG_POORUPDOWN,
sizeof(GMouse) + GMOUSE_FT5336_BOARD_DATA_SIZE,
_gmouseInitDriver,
_gmousePostInitDriver,
_gmouseDeInitDriver
},
1, // z_max - (currently?) not supported
0, // z_min - (currently?) not supported
1, // z_touchon
0, // z_touchoff
{ // pen_jitter
GMOUSE_FT5336_PEN_CALIBRATE_ERROR, // calibrate
GMOUSE_FT5336_PEN_CLICK_ERROR, // click
GMOUSE_FT5336_PEN_MOVE_ERROR // move
},
{ // finger_jitter
GMOUSE_FT5336_FINGER_CALIBRATE_ERROR, // calibrate
GMOUSE_FT5336_FINGER_CLICK_ERROR, // click
GMOUSE_FT5336_FINGER_MOVE_ERROR // move
},
ft5336Init, // init
0, // deinit
ft5336ReadXYZ, // get
0, // calsave
0 // calload
}};
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */
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